.number-nook-page {
  --nook-line: var(--color-base-300);
  --nook-ink: var(--color-base-content);
}

body.number-nook-playing > nav[aria-label="Primary navigation"] { display: none; }
.number-nook-page.is-playing .number-nook__content { max-width: 100rem; padding-top: clamp(1rem, 2vw, 2rem); padding-bottom: clamp(2rem, 4vw, 4rem); }

.number-nook__hero-card {
  position: relative;
  min-height: 19rem;
  overflow: hidden;
  border-radius: var(--radius-box);
  padding: 2rem;
  background:
    radial-gradient(circle at 92% 8%, color-mix(in oklab, var(--color-secondary) 35%, transparent) 0 19%, transparent 20%),
    radial-gradient(circle at 8% 92%, color-mix(in oklab, var(--color-primary) 28%, transparent) 0 24%, transparent 25%),
    var(--color-neutral);
  box-shadow: 0 1rem 2.5rem color-mix(in oklab, var(--color-neutral) 20%, transparent);
}
.number-nook__hero-tile { display: inline-flex; width: 3.6rem; height: 3.6rem; align-items: center; justify-content: center; border-radius: .85rem; font-size: 1.75rem; font-weight: 900; line-height: 1; box-shadow: 0 .55rem 1rem color-mix(in oklab, var(--color-neutral) 24%, transparent); }
.number-nook__hero-tile:nth-child(1) { transform: rotate(-7deg); }
.number-nook__hero-tile:nth-child(2) { transform: translateY(-.35rem) rotate(5deg); }
.number-nook__hero-tile:nth-child(3) { transform: rotate(-3deg); }
.number-nook__hero-tile--primary { background: var(--color-primary); color: var(--color-primary-content); }
.number-nook__hero-tile--secondary { background: var(--color-secondary); color: var(--color-secondary-content); }
.number-nook__hero-tile--accent { background: var(--color-accent); color: var(--color-accent-content); }

.number-nook__wander-card { display: block; min-height: 16rem; border: 1px solid color-mix(in oklab, var(--color-primary) 28%, var(--nook-line)); border-radius: var(--radius-box); padding: clamp(1.25rem, 3vw, 2rem); background: color-mix(in oklab, var(--color-primary) 7%, var(--color-base-100)); color: var(--nook-ink); transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
.number-nook__wander-card:hover { border-color: var(--color-primary); transform: translateY(-.12rem); box-shadow: 0 .9rem 2rem color-mix(in oklab, var(--color-primary) 12%, transparent); }
.number-nook__wander-mark { display: inline-flex; width: 3.5rem; height: 3.5rem; align-items: center; justify-content: center; border-radius: 1rem; background: var(--color-primary); color: var(--color-primary-content); font-size: 1.7rem; font-weight: 900; }
.number-nook__mode-button { display: flex; width: 100%; align-items: center; gap: .8rem; border: 1px solid var(--nook-line); border-radius: var(--radius-field); padding: .85rem; background: var(--color-base-100); color: var(--nook-ink); text-align: left; transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease; }
.number-nook__mode-button:hover { border-color: var(--color-secondary); background: color-mix(in oklab, var(--color-secondary) 6%, var(--color-base-100)); transform: translateX(.1rem); }
.number-nook__mode-mark { display: inline-flex; width: 2.8rem; height: 2.8rem; flex: 0 0 auto; align-items: center; justify-content: center; border-radius: .75rem; font-size: 1.25rem; font-weight: 900; }
.number-nook__mode-mark--primary { background: color-mix(in oklab, var(--color-primary) 15%, transparent); color: var(--color-primary); }
.number-nook__mode-mark--secondary { background: color-mix(in oklab, var(--color-secondary) 15%, transparent); color: var(--color-secondary); }
.number-nook__mode-mark--accent { background: color-mix(in oklab, var(--color-accent) 15%, transparent); color: var(--color-accent); }

.number-nook__game-topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--nook-line); padding-bottom: 1rem; }
.number-nook__untimed { border: 1px solid color-mix(in oklab, var(--color-secondary) 35%, var(--nook-line)); border-radius: 999px; padding: .42rem .75rem; background: color-mix(in oklab, var(--color-secondary) 10%, var(--color-base-100)); color: color-mix(in oklab, var(--color-secondary) 34%, var(--nook-ink)); font-size: .8rem; font-weight: 800; white-space: nowrap; }
.number-nook__progress { height: .45rem; margin-top: 1rem; overflow: hidden; border-radius: 999px; background: var(--color-base-200); }
.number-nook__progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--color-secondary), var(--color-primary)); transition: width 180ms ease; }
.number-nook__stage { min-height: clamp(32rem, 64vh, 46rem); margin-top: 1.5rem; border: 1px solid var(--nook-line); border-radius: var(--radius-box); padding: clamp(1.25rem, 5vw, 4rem); background: linear-gradient(180deg, color-mix(in oklab, var(--color-secondary) 6%, var(--color-base-100)), var(--color-base-100) 13rem); color: var(--nook-ink); box-shadow: 0 1rem 2.5rem color-mix(in oklab, var(--color-neutral) 10%, transparent); }
.number-nook__stage:focus { outline: none; }
.number-nook__prompt { max-width: 60rem; margin: 0 auto; text-align: center; }
.number-nook__challenge-title { margin: .45rem auto 0; font-size: clamp(1.8rem, 4vw, 2.75rem); font-weight: 900; line-height: 1.12; }
.number-nook__instruction { max-width: 42rem; margin: .85rem auto 0; color: color-mix(in oklab, var(--nook-ink) 65%, transparent); }
.number-nook__number-tray { display: flex; min-height: 5.5rem; align-items: center; justify-content: center; flex-wrap: wrap; gap: .6rem; margin: 2.4rem auto 0; border: 1px dashed color-mix(in oklab, var(--color-secondary) 32%, var(--nook-line)); border-radius: var(--radius-box); padding: 1rem; background: color-mix(in oklab, var(--color-secondary) 5%, var(--color-base-100)); }
.number-nook__tray-number { display: inline-flex; min-width: 3.2rem; height: 3.2rem; align-items: center; justify-content: center; border-radius: .7rem; background: var(--color-base-100); color: var(--nook-ink); font-size: 1.5rem; font-weight: 900; font-variant-numeric: tabular-nums; box-shadow: 0 .2rem .7rem color-mix(in oklab, var(--color-neutral) 10%, transparent); }
.number-nook__operation { display: inline-flex; width: 2.6rem; height: 2.6rem; align-items: center; justify-content: center; border: 1px solid color-mix(in oklab, var(--color-primary) 35%, var(--nook-line)); border-radius: .6rem; background: color-mix(in oklab, var(--color-primary) 8%, var(--color-base-100)); color: var(--color-primary); font-size: 1.3rem; font-weight: 900; }
.number-nook__tile-grid { display: grid; grid-template-columns: repeat(3, minmax(4.5rem, 1fr)); gap: .8rem; max-width: 34rem; margin: 2rem auto 0; }
.number-nook__tile, .number-nook__order-tile { display: flex; min-height: 5rem; align-items: center; justify-content: center; border: 1px solid var(--nook-line); border-radius: var(--radius-field); background: var(--color-base-100); color: var(--nook-ink); font-size: clamp(1.65rem, 4vw, 2.15rem); font-weight: 900; font-variant-numeric: tabular-nums; transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease, transform 150ms ease; }
.number-nook__tile:hover, .number-nook__order-tile:hover { border-color: var(--color-primary); transform: translateY(-.1rem); }
.number-nook__tile[aria-pressed="true"], .number-nook__order-tile[aria-pressed="true"] { border-color: var(--color-primary); background: color-mix(in oklab, var(--color-primary) 13%, var(--color-base-100)); box-shadow: inset 0 0 0 2px color-mix(in oklab, var(--color-primary) 23%, transparent); }
.number-nook__order-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .7rem; max-width: 56rem; margin: 2.5rem auto 0; }
.number-nook__order-tile { min-height: 6rem; flex-direction: column; gap: .3rem; padding: .65rem; font-size: 1.45rem; }
.number-nook__order-tile small { color: color-mix(in oklab, var(--nook-ink) 55%, transparent); font-size: .72rem; font-weight: 700; }
.number-nook__selection-note { margin-top: 1.2rem; color: color-mix(in oklab, var(--nook-ink) 58%, transparent); text-align: center; }
.number-nook__correction { max-width: 42rem; margin: 1rem auto 0; border: 1px solid color-mix(in oklab, var(--color-secondary) 25%, var(--nook-line)); border-radius: var(--radius-field); padding: .8rem 1rem; background: color-mix(in oklab, var(--color-secondary) 6%, var(--color-base-100)); color: color-mix(in oklab, var(--nook-ink) 72%, transparent); font-size: .9rem; font-weight: 700; text-align: center; }
.number-nook__action-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: 2rem; }
.number-nook__gap-sequence { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: clamp(.5rem, 2vw, 1rem); margin: 3.5rem auto 0; font-size: clamp(2.3rem, 7vw, 4.3rem); font-weight: 900; font-variant-numeric: tabular-nums; }
.number-nook__gap-sequence span { min-width: 3rem; text-align: center; }
.number-nook__gap-sequence b { color: var(--color-secondary); }
.number-nook__gap-sequence .is-gap { border-bottom: .25rem solid var(--color-secondary); color: color-mix(in oklab, var(--color-secondary) 45%, var(--nook-ink)); }
.number-nook__choice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .9rem; max-width: 44rem; margin: 2.5rem auto 0; }
.number-nook__choice { min-height: 4.5rem; border: 1px solid var(--nook-line); border-radius: var(--radius-field); background: var(--color-base-100); color: var(--nook-ink); font-size: 1.55rem; font-weight: 900; font-variant-numeric: tabular-nums; transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease; }
.number-nook__choice:hover { border-color: var(--color-secondary); background: color-mix(in oklab, var(--color-secondary) 8%, var(--color-base-100)); transform: translateY(-.1rem); }
.number-nook__feedback { min-height: 2rem; margin: 1rem auto 0; color: var(--nook-ink); text-align: center; }
.number-nook__feedback[data-state="correct"] { color: color-mix(in oklab, var(--color-success) 75%, var(--nook-ink)); font-weight: 800; }
.number-nook__feedback[data-state="incorrect"] { color: color-mix(in oklab, var(--color-error) 75%, var(--nook-ink)); font-weight: 700; }
.number-nook__pause-notice { margin-top: 1rem; border: 1px solid color-mix(in oklab, var(--color-secondary) 30%, var(--nook-line)); border-radius: var(--radius-field); padding: 1rem; background: color-mix(in oklab, var(--color-secondary) 8%, var(--color-base-100)); text-align: center; }
.number-nook__results-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; max-width: 60rem; margin-right: auto; margin-left: auto; }
.number-nook__result-card { min-height: 8rem; border: 1px solid var(--nook-line); border-radius: var(--radius-box); padding: 1.25rem; background: var(--color-base-100); text-align: center; }
.number-nook__result-card strong { display: block; margin-top: .5rem; color: var(--color-primary); font-size: 2.2rem; font-variant-numeric: tabular-nums; }
.number-nook__result-card span { color: color-mix(in oklab, var(--nook-ink) 58%, transparent); font-size: .8rem; font-weight: 800; text-transform: uppercase; }
.number-nook__stage button:focus-visible, .number-nook__wander-card:focus-visible, .number-nook__mode-button:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 3px; }

@media (max-width: 720px) {
  .number-nook__hero-card { min-height: 16rem; padding: 1.5rem; }
  .number-nook__game-topbar { align-items: flex-start; flex-direction: column; }
  .number-nook__stage { min-height: auto; padding: 1.25rem; }
  .number-nook__tile-grid { grid-template-columns: repeat(3, minmax(4rem, 1fr)); gap: .55rem; }
  .number-nook__order-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .number-nook__choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .number-nook__results-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .number-nook__wander-card, .number-nook__mode-button, .number-nook__progress span, .number-nook__tile, .number-nook__order-tile, .number-nook__choice { transition: none; }
}